* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, rgba(255, 165, 0, 0.05) 0%, rgba(255, 0, 0, 0.05) 50%, rgba(128, 0, 128, 0.05) 100%);
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="10" cy="10" r="1" fill="%23ff9500" opacity="0.1"/><circle cx="90" cy="30" r="1" fill="%23000000" opacity="0.1"/><circle cx="50" cy="70" r="1" fill="%23770077" opacity="0.1"/></svg>');
    background-size: 200px 200px;
    background-repeat: repeat;
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, rgba(255, 165, 0, 0.1) 0%, rgba(255, 0, 0, 0.1) 50%, rgba(128, 0, 128, 0.1) 100%);
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 300"><path d="M50 50 Q100 0 150 50" stroke="%23ff9500" stroke-width="0.5" fill="none" opacity="0.1"/><path d="M50 200 Q100 150 150 200" stroke="%23770077" stroke-width="0.5" fill="none" opacity="0.1"/></svg>');
    background-size: 400px 600px;
    opacity: 0.3;
    pointer-events: none;
}

.hero-title {
    font-size: 3rem;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #ff6b6b;
    font-weight: 600;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.hero-description {
    font-size: 1.3rem;
    color: #555;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.btn {
    padding: 15px 40px;
    font-size: 1.1rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
}

.btn-primary {
    background: linear-gradient(135deg, #ff6b6b, #4ecdc4);
    color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* Trial Banner */
.trial-banner {
    background: linear-gradient(135deg, #ff6b6b, #ee5a6f);
    color: white;
    padding: 15px 20px;
    text-align: center;
}

.trial-banner h2 {
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: 10px;
}

.trial-btn {
    background: white;
    color: #ff6b6b;
    border: 2px solid white;
    font-size: 1.2rem;
    padding: 15px 40px;
}

.trial-btn:hover {
    background: transparent;
    color: white;
    border: 2px solid white;
}

/* Features Section */
.features {
    padding: 60px 20px;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 50px;
}

.feature-block {
    display: flex;
    align-items: flex-start;
    margin-bottom: 40px;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.feature-block:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    font-size: 4rem;
    margin-right: 30px;
    min-width: 80px;
    text-align: center;
}

.feature-content h3 {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 15px;
}

.feature-content p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 10px;
}

.feature-tag {
    color: #7f8c8d;
    font-style: italic;
}

/* Pricing Section */
.pricing-section {
    padding: 40px 20px;
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.1) 0%, rgba(78, 205, 196, 0.1) 100%);
}

.pricing-banner {
    text-align: center;
    padding: 50px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.pricing-banner h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 20px;
}

.pricing-banner p {
    font-size: 1.3rem;
    color: #666;
    margin-bottom: 10px;
}

.pricing-subtext {
    font-size: 1.1rem;
    color: #888;
    margin-bottom: 30px;
}

/* Toggle Switch */
.toggle-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.toggle-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
}

.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 30px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: #4ecdc4;
}

input:checked + .slider:before {
    transform: translateX(30px);
}

/* Pricing Cards */
.pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 30px;
    width: 100%;
}

@media (max-width: 992px) {
    .pricing-cards {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

.pricing-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    position: relative;
    transition: transform 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-10px);
}

.pricing-card.featured {
    border: 3px solid #4ecdc4;
}

@media (min-width: 769px) {
    .pricing-card.featured {
        transform: scale(1.05);
    }
}

.popular-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: linear-gradient(135deg, #ff6b6b, #4ecdc4);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
}

.pricing-card h3 {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 20px;
    text-align: center;
}

.price-main {
    font-size: 2.5rem;
    font-weight: bold;
    color: #4ecdc4;
    text-align: center;
    margin-bottom: 10px;
    position: relative;
}

.price-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

/* Yearly layout: old price first, current price next (side-by-side) */
.price-container.yearly {
    flex-direction: row;
    justify-content: center;
    align-items: baseline;
    gap: 8px;
}
.price-container.yearly .old-price { order: 1; margin-top: 0; }
.price-container.yearly .current-price { order: 2; }

/* Yearly font sizes: old price smaller */
.price-container.yearly .current-price { font-size: 2.5rem; }
.price-container.yearly .old-price { font-size: 1.15rem; }

.old-price {
    font-size: 1.5rem;
    color: #999;
    opacity: 0.8;
}

.old-price del {
    color: #999;
    text-decoration: line-through;
    text-decoration-color: #000;
    text-decoration-thickness: 2px;
    text-decoration-skip-ink: none;
    line-height: 1;
}

.old-price del span {
    font-size: inherit;
    font-weight: inherit;
}

.current-price {
    font-size: 2.5rem;
    font-weight: bold;
    color: #4ecdc4;
}

.current-price span {
    font-size: 1rem;
    font-weight: normal;
}

.student-price-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
}

/* Yearly layout: inline old (struck) and new student price */
.student-price-container.yearly {
    flex-direction: row;
    justify-content: center;
    align-items: baseline;
    gap: 12px;
}

.old-student-price {
    font-size: 1rem;
    color: #999;
    opacity: 0.8;
}

.old-student-price del {
    color: #999;
    text-decoration: line-through;
    text-decoration-color: #000;
    text-decoration-thickness: 2px;
    text-decoration-skip-ink: none;
    line-height: 1;
}

.old-student-price del span {
    font-size: inherit;
    font-weight: inherit;
}

.current-student-price {
    font-size: 1.1rem;
    color: #ff6b6b;
}

.current-student-price span {
    font-weight: bold;
}

.discount-badge {
    position: relative;
    background: linear-gradient(135deg, #ff6b6b, #ff4757);
    color: white;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: bold;
    white-space: nowrap;
    box-shadow: 0 3px 10px rgba(255, 107, 107, 0.3);
    animation: pulse 2s infinite;
}

.discount-center {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: -10px;
    margin-bottom: 8px;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.price-per-student {
    font-size: 1.1rem;
    color: #ff6b6b;
    text-align: center;
    margin-bottom: 30px;
}

.price-per-student span {
    font-weight: bold;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
}

.feature-list li {
    padding: 10px 0;
    color: #666;
    font-size: 1rem;
}

/* Inline button ("buradan") */
.inline-button {
    background: transparent;
    border: none;
    color: #4ecdc4;
    font-weight: 700;
    cursor: pointer;
    text-decoration: underline;
}
.inline-button:hover { color: #2bb3a8; }

/* Features modal list styles */
.features-list h3 {
    margin-top: 16px;
    color: #2c3e50;
}
.features-list ul {
    margin: 8px 0 12px 18px;
}
.features-list li {
    margin: 4px 0;
}

.price-note {
    text-align: center;
    color: #999;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.btn-details {
    width: 100%;
    background: #2c3e50;
    color: white;
    border: none;
}

.btn-details:hover {
    background: #34495e;
}

.modal-large {
    max-width: 1500px;
    width: 95%;
    margin: 20px auto;
}

#pricingModal .modal-content {
    max-width: 1500px;
}

/* Gallery Section */
.gallery-section {
    padding: 60px 20px;
    background: #f8f9fa;
}

.gallery-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 40px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.gallery-item {
    position: relative;
    overflow: visible;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.gallery-item img {
    width: 80%;
    height: 144px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
    border: 3px solid rgba(78, 205, 196, 0.3);
    border-radius: 8px;
    padding: 5px;
    margin: 10% auto;
    background: white;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* Lightbox Styles */
.lightbox-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    align-items: center;
    justify-content: center;
}

.lightbox-modal.show {
    display: flex;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 40px;
    font-size: 40px;
    font-weight: bold;
    color: white;
    cursor: pointer;
    z-index: 2001;
    transition: color 0.3s;
}

.lightbox-close:hover {
    color: #4ecdc4;
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 40px;
    font-weight: bold;
    color: white;
    cursor: pointer;
    z-index: 2001;
    padding: 20px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 5px;
    transition: background 0.3s;
    user-select: none;
    -webkit-user-select: none;
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(0, 0, 0, 0.8);
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    text-align: center;
    position: relative;
}

.lightbox-content img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 10px;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 20px 20px;
    text-align: center;
}

.footer a {
    color: #4ecdc4;
    text-decoration: none;
    font-size: 1.2rem;
}

.footer a:hover {
    text-decoration: underline;
}

.hashtags {
    margin-top: 10px;
    font-size: 0.9rem;
    color: #95a5a6;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background-color: white;
    padding: 40px;
    border-radius: 15px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: slideDown 0.3s;
    margin: 20px auto;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
    color: #aaa;
    cursor: pointer;
    transition: color 0.3s;
}

.close:hover {
    color: #333;
}

.modal-content h2 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.modal-subtitle {
    color: #666;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #555;
    font-weight: 500;
}

.required {
    color: red;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4ecdc4;
}

.btn-full {
    width: 100%;
    margin-top: 10px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .feature-block {
        flex-direction: column;
        text-align: center;
    }
    
    .feature-icon {
        margin: 0 auto 20px;
    }
    
    .trial-banner h2 {
        font-size: 1.3rem;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .modal-large {
        max-width: 98%;
        width: 98%;
        padding: 20px;
    }
    
    .pricing-card {
        padding: 30px 20px;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .lightbox-prev,
    .lightbox-next {
        font-size: 30px;
        padding: 15px;
    }
    
    .lightbox-close {
        font-size: 30px;
        top: 10px;
        right: 20px;
    }
}